EP 0634243 B1 19970604 - Electrode tube for electrical discharge machining and manufacturing method thereof
Title (en)
Electrode tube for electrical discharge machining and manufacturing method thereof
Title (de)
Rohrelektrode für Funkenerosionsbearbeitung und Verfahren zur Herstellung derselben
Title (fr)
Electrode en forme de tube pour usinage par électroérosion et procédé de fabrication de cette électrode
Publication
Application
Priority
JP 19690293 A 19930714
Abstract (en)
[origin: EP0634243A1] Electrode tube for electrical discharge machining (1) includes an outer peripheral portion (2), a plurality of rail like portions (3) projecting from outer peripheral portion (2) toward the central axis of the tube, these rail like portions (3) are formed integrally with the outer peripheral portion (2) and the space inside the tube is substantially divided into a plurality of through holes (4) along the central axis by the plurality of rail like portions (3). <IMAGE>
IPC 1-7
IPC 8 full level
B23H 1/04 (2006.01); B23H 7/22 (2006.01); B23H 9/14 (2006.01)
CPC (source: EP US)
B23H 1/04 (2013.01 - EP US); B23H 9/14 (2013.01 - EP US); Y10T 29/49002 (2015.01 - EP US)
Designated contracting state (EPC)
DE FR GB
DOCDB simple family (publication)
EP 0634243 A1 19950118; EP 0634243 B1 19970604; DE 69403565 D1 19970710; DE 69403565 T2 19971218; JP H0724640 A 19950127; SG 49100 A1 19980518; TW 279819 B 19960701; US 5514845 A 19960507
DOCDB simple family (application)
EP 94110762 A 19940711; DE 69403565 T 19940711; JP 19690293 A 19930714; SG 1996006003 A 19940711; TW 83106308 A 19940712; US 27148794 A 19940707